diff --git a/arts/friction.kra b/arts/friction.kra
new file mode 100644
index 00000000..15d065b9
Binary files /dev/null and b/arts/friction.kra differ
diff --git a/arts/geometry.kra b/arts/geometry.kra
new file mode 100644
index 00000000..ee361048
Binary files /dev/null and b/arts/geometry.kra differ
diff --git a/arts/logo.kra b/arts/logo.kra
index 22e33a15..cc7ae22a 100644
Binary files a/arts/logo.kra and b/arts/logo.kra differ
diff --git a/arts/network.kra b/arts/network.kra
new file mode 100644
index 00000000..2f4ec24b
Binary files /dev/null and b/arts/network.kra differ
diff --git a/src/View/ui/MainWindow.ui b/src/View/ui/MainWindow.ui
index 9e0f0fe5..07f8d8bf 100644
--- a/src/View/ui/MainWindow.ui
+++ b/src/View/ui/MainWindow.ui
@@ -283,6 +283,30 @@
    <addaction name="separator"/>
    <addaction name="action_toolBar_run_solver"/>
    <addaction name="separator"/>
+  </widget>
+  <widget class="QToolBar" name="toolBar_modelling">
+   <property name="font">
+    <font>
+     <family>Ubuntu</family>
+     <weight>50</weight>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="windowTitle">
+    <string>toolBar_2</string>
+   </property>
+   <property name="iconSize">
+    <size>
+     <width>32</width>
+     <height>32</height>
+    </size>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>LeftToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
    <addaction name="action_toolBar_network"/>
    <addaction name="action_toolBar_geometry"/>
    <addaction name="action_toolBar_boundary_cond"/>
@@ -508,7 +532,7 @@
   <action name="action_toolBar_network">
    <property name="icon">
     <iconset>
-     <normaloff>ressources/reseau3_24.png</normaloff>ressources/reseau3_24.png</iconset>
+     <normaloff>ressources/network.png</normaloff>ressources/network.png</iconset>
    </property>
    <property name="text">
     <string>River network</string>
@@ -520,7 +544,7 @@
   <action name="action_toolBar_geometry">
    <property name="icon">
     <iconset>
-     <normaloff>ressources/geometrie0.png</normaloff>ressources/geometrie0.png</iconset>
+     <normaloff>ressources/geometry.png</normaloff>ressources/geometry.png</iconset>
    </property>
    <property name="text">
     <string>Geometry</string>
@@ -530,6 +554,10 @@
    </property>
   </action>
   <action name="action_toolBar_boundary_cond">
+   <property name="icon">
+    <iconset>
+     <normaloff>ressources/boundary_condition.png</normaloff>ressources/boundary_condition.png</iconset>
+   </property>
    <property name="text">
     <string>Boundary conditions</string>
    </property>
@@ -541,6 +569,10 @@
    </property>
   </action>
   <action name="action_toolBar_lateral_contrib">
+   <property name="icon">
+    <iconset>
+     <normaloff>ressources/lateral_contribution.png</normaloff>ressources/lateral_contribution.png</iconset>
+   </property>
    <property name="text">
     <string>Lateral contribution</string>
    </property>
@@ -549,6 +581,10 @@
    </property>
   </action>
   <action name="action_toolBar_frictions">
+   <property name="icon">
+    <iconset>
+     <normaloff>ressources/friction.png</normaloff>ressources/friction.png</iconset>
+   </property>
    <property name="text">
     <string>Friction</string>
    </property>
@@ -569,6 +605,10 @@
    </property>
   </action>
   <action name="action_toolBar_initial_cond">
+   <property name="icon">
+    <iconset>
+     <normaloff>ressources/initial_condition.png</normaloff>ressources/initial_condition.png</iconset>
+   </property>
    <property name="text">
     <string>Initial conditions</string>
    </property>
diff --git a/src/View/ui/ressources/boundary_condition.png b/src/View/ui/ressources/boundary_condition.png
new file mode 100644
index 00000000..49fb2975
Binary files /dev/null and b/src/View/ui/ressources/boundary_condition.png differ
diff --git a/src/View/ui/ressources/friction.png b/src/View/ui/ressources/friction.png
new file mode 100644
index 00000000..f96687ea
Binary files /dev/null and b/src/View/ui/ressources/friction.png differ
diff --git a/src/View/ui/ressources/geometry.png b/src/View/ui/ressources/geometry.png
new file mode 100644
index 00000000..5bfa2cce
Binary files /dev/null and b/src/View/ui/ressources/geometry.png differ
diff --git a/src/View/ui/ressources/initial_condition.png b/src/View/ui/ressources/initial_condition.png
new file mode 100644
index 00000000..ab3a20dc
Binary files /dev/null and b/src/View/ui/ressources/initial_condition.png differ
diff --git a/src/View/ui/ressources/lateral_contribution.png b/src/View/ui/ressources/lateral_contribution.png
new file mode 100644
index 00000000..59bb72fb
Binary files /dev/null and b/src/View/ui/ressources/lateral_contribution.png differ
diff --git a/src/View/ui/ressources/network.png b/src/View/ui/ressources/network.png
new file mode 100644
index 00000000..430dd26a
Binary files /dev/null and b/src/View/ui/ressources/network.png differ
diff --git a/src/motd.txt b/src/motd.txt
index 245aa2ea..64495bb5 100644
--- a/src/motd.txt
+++ b/src/motd.txt
@@ -23,7 +23,7 @@
        @@@@@@       @@@**************@@@@@@@@           @@@@@@@@@@@@@
        @@@@@@       @**************#  @@@@@@      ******@@@@@@  @@@@@@
        @@@@@@     +**************      @@@@@     ********@@@@@   @@@@@@@
-       @@@@@@   ***********************@@@@@**************@@@@    @@@@@@@
+       @@@@@@   ******************************************@@@@    @@@@@@@
        @@@@@@   ******************************************@@@@     @@@@@@@
     @@@@@@@@@@@ ******************************************@@@@@@     @@@@@@@
                 ******************************************